Chemistry Test ...

Which of the following is a repeating unit of synthetic rubber?

Formation of terylene is an example of

Dacron is a polymer of

Which of the following elements is present in teflon?

The various processes, involved in the extraction of metals from their ores and refining, are known as

The rate of a reaction can be increased in general by all the factors except by

The concentration of reactant changes from 0.06 mol L^-1 to 0.05 mol L^-1 in 25 minutes. Calculate the average rate of reaction.

5A→ 2B

If there were 1.5 moles of 'A' 2 L solution in the beginning of the reaction, what is the concentration of 'B' when 'A' is 20% consumed?

The rate constants were found to be K₁ and K₂, when a reaction was carried out at 310 K and 290 K respectively.

The two rate constants are related as:

R₁ is the rate of a simple reaction, 2NO + O₂ 2NO₂.

If the volume of the reaction vessel is doubled, the rate of the reaction becomes

Which of the following covalent bonds has the highest ionic character?

Which of the following statements correctly represents one of the characteristic of the lanthanides?

Which of the following statements is correct about potassium permanganate?